<!--
var how_many_ads; 
function showexchangead()
{
var a,b;//定义广告项目

a="<a title='燕山大学' href='http://school.nseac.com/sch.php?schid=10216' target='_blank' ><img src='http://edu.nseac.com/gg/img/dxgg_01.jpg' width='192' height='60' alt='燕山大学' /></a><a title='江西蓝天学院' href='http://school.nseac.com/sch.php?schid=10846' target='_blank' ><img src='http://edu.nseac.com/gg/img/dxgg_02.jpg' width='193' height='60' alt='江西蓝天学院' /></a><a title='中国计量学院' href='http://school.nseac.com/sch.php?schid=10356' target='_blank' ><img src='http://edu.nseac.com/gg/img/dxgg_03.jpg' width='193' height='60' alt='中国计量学院' /></a><a title='武汉大学' href='http://school.nseac.com/sch.php?schid=10486' target='_blank' ><img src='http://edu.nseac.com/gg/img/dxgg_04.jpg' width='192' height='60' alt='武汉大学' /></a><a title='华中师范大学' href='http://school.nseac.com/sch.php?schid=10511' target='_blank' ><img src='http://edu.nseac.com/gg/img/dxgg_05.jpg' width='190' height='60' alt='华中师范大学' /></a>";

b="<div class='gg_dx_l'><a title='燕山大学' href='http://school.nseac.com/sch.php?schid=10216' target='_blank' ><img src='templets/images/gg_ysdx.jpg' width='190' height='60' alt='燕山大学' /></a></div><div class='gg_dx_l'><a title='江西蓝天学院' href='http://school.nseac.com/sch.php?schid=10846' target='_blank' ><img src='templets/images/gg_ltxy.jpg' width='190' height='60' alt='江西蓝天学院' /></a></div><div class='gg_dx_l'><a title='中国计量学院' href='http://school.nseac.com/sch.php?schid=10356' target='_blank' ><img src='templets/images/gg_jlxy.jpg' width='190' height='60' alt='中国计量学院' /></a></div><div class='gg_dx_l'><a title='武汉大学'  href='http://school.nseac.com/sch.php?schid=10486' target='_blank' ><img src='templets/images/gg_whdx.jpg' width='190' height='60' alt='武汉大学' /></a></div><div class='gg_dx_r'><a title='华中师范大学' href='http://school.nseac.com/sch.php?schid=10511' target='_blank' ><img src='templets/images/gg_hzsf192.jpg' width='192' height='60' alt='华中师范大学' /></a></div>";

//初始化广告列表
var exchangead= new initArray(a,b); //在这放你要显示的定义广告
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
{
ad +=1;
document.write(exchangead[ad]);
}
}

function initArray() {
how_many_ads=this.length = initArray.arguments.length
      for (var i = 0; i < this.length; i++)
      this[i+1] = initArray.arguments[i]
}
showexchangead();
//-->

